Welcome to my personal web site. It includes my blog, a catalog of useful web sites I've collected over the years, photos I've taken on various trips, software I've written, etc.

Thank you for visiting.

Arthur A. Gleckler

REPL as a Service

Tips for running a Read-Eval-Print Loop as a service on Linux.


Browse errors from W3C's Markup Validation Service in Emacs.


Compose HTML email in Emacs Org mode.

ICFP 2019 logo, based on the Ampelmännchen

Scheme Workshop 2019

I had a great time in Berlin at this year's Scheme Workshop, part of ICFP 2019.

The talks are now on YouTube.

Monet's garden at Giverny

RnRS Gardening

Programming language communities are like gardens. Often, we get to grow something new and beautiful. But sometimes, we have to collect our tools and do grunt work just to keep things alive.

Lisp in Person

The Bay Area Lisp and Scheme Users Group meets a few times every year to discuss many topics from a Lisp and Scheme point of view.

To date, we have thirty-two talks on our YouTube playlist.

Countdown Calendar

Use my countdown calendar to count the days until an important event.

Weerd Talk

I gave a talk on Weerd, my TRS-80 video game, at Tandy Assembly 2018.

Growing Schemes

I gave a talk on SRFI, the Scheme Requests for Implementation, at the Scheme Workshop 2018.

USA map

Push-pin Maps

Use these interactive maps to visualize where you've been in the USA and in the world.